Denial of Service Vulnerability in phpMyAdmin: CVE-2016-5706
Summary
UBUNTU-CVE-2016-5706: js/get_scripts.js.php in phpMyAdmin 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3 allows remote attackers to cause a denial of service via a large array in the scripts parameter. Affects phpmyadmin versions 4:4.0.10-1 – 4:4.0.9-1. No fix is published. How to fix ↓
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Background
phpMyAdmin is a widely-used open-source tool written in PHP, designed to handle the administration of MySQL databases through a web interface. It provides a user-friendly interface for managing databases, tables, columns, relations, indexes, users, permissions, and more. However, certain versions of phpMyAdmin are vulnerable to a denial of service attack due to improper handling of input parameters, specifically in the scripts parameter.
Vulnerability Detail
The vulnerability identified as CVE-2016-5706 exists in the js/get_scripts.js.php file of phpMyAdmin versions 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3. It allows remote attackers to exploit the application by sending a large array in the scripts parameter, leading to a denial of service. This can result in the application becoming unresponsive, affecting the availability of the database management service.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate updating is not possible, consider restricting access to the phpMyAdmin interface by implementing IP whitelisting or using a VPN to limit exposure to potential attackers.
Conclusion
CVE-2016-5706 is a significant denial of service vulnerability affecting specific versions of phpMyAdmin. Users are encouraged to update to the latest patched versions to ensure their systems are secure. Implementing workarounds can provide temporary relief until an update can be performed.
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FAQ
CVE-2016-5706 is a vulnerability in phpMyAdmin that allows remote attackers to cause a denial of service through a large array in the scripts parameter.
Affected versions include phpMyAdmin 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3.
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The CVSS score of CVE-2016-5706 is 7.5, indicating a high severity level.
If you cannot update immediately, consider implementing access restrictions to the phpMyAdmin interface to mitigate the risk.
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